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iShares Global 100 ETF IOO 146.12 2.21 1.54%

IOO Options Support & Resistance

IOO (iShares Global 100 ETF): Explore options-derived support and resistance levels, call walls and put walls. Free delayed preview.

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ATM IV
0.284
Put Call Ratio (OI)
Put Call Ratio (Vol)
IV Rank
26
IV Percentile
84.4
Max Pain
137

Option Walls

A gamma wall is a strike where dealer gamma is concentrated.

Price often pauses or reverses there because dealers must hedge aggressively when the underlying crosses it. Walls above spot tend to act as resistance; walls below spot tend to act as support.

See also: Gamma exposure (GEX)

$132 Put Wall $134 Key Put Strike 2 $137 Max Pain